OAuth also allows for the definition of new extension grant types to support additional clients or to provide a bridge between OAuth and other trust frameworks. Several authorization grant types are defined to support a wide range of client types and user experiences.
An authorization grant is used by the client to obtain an access token. In OAuth, an authorization grant is an abstract term used to describe intermediate credentials that represent the resource owner authorization. Access tokens are issued to third-party clients by an authorization server (AS) with the (sometimes implicit) approval of the resource owner. The OAuth 2.0 Authorization Framework provides a method for making authenticated HTTP requests to a resource using an access token.
A security token is generally issued by an identity provider and consumed by a relying party that relies on its content to identify the token's subject for security related purposes. JSON Web Token (JWT) is a JavaScript Object Notation (JSON) based security token encoding that enables identity and security information to be shared across security domains. Sub-Namespace Registration of urn:ietf:params:oauth:client-assertion-type:jwt-bearer Sub-Namespace Registration of urn:ietf:params:oauth:grant-type:jwt-bearer HTTP Parameter Bindings for Transporting Assertions Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http:/ / / license- info) in effect on the date of publication of this document. Copyright NoticeĬopyright (c) 2012 IETF Trust and the persons identified as the document authors. This Internet-Draft will expire on March 16, 2013. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. Note that other groups may also distribute working documents as Internet-Drafts. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF).
This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. This specification defines the use of a JSON Web Token (JWT) Bearer Token as a means for requesting an OAuth 2.0 access token as well as for use as a means of client authentication. JSON Web Token (JWT) Bearer Token Profiles for OAuth 2.0 JSON Web Token (JWT) Bearer Token Profiles for OAuth 2.0 OAuth Working Group
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